Silly Science Sunday

Where Curiosity Takes Over Downtown Youngstown!

Join us for the 16th Annual Silly Science Sunday, a FREE, family-friendly STEAM festival taking over Wean Park on Sunday, September 13 from 11 AM–4 PM!

Spend the day exploring hands-on science, technology, engineering, art and math with 30+ exhibitors from across our community. Kids can experiment, create, build, discover and meet the people and organizations bringing STEAM to life throughout the Mahoning Valley and beyond.

Whether your child loves robots, building, nature, technology—or simply figuring out how things work—there will be something new to discover around every corner.

FREE Admission | All Ages Welcome | 30+ Exhibitors

Register for Silly Science Sunday

Silly Science Sunday is completely FREE! Registration is encouraged but not required. BONUS: Register in advance and you'll be entered for a chance to win a drone!

What Can You Expect?

This isn't a science fair where kids just walk around and look. Silly Science Sunday is made for getting involved.

Families will be able to explore hands-on activities, experiments and demonstrations from organizations throughout our region. From robotics and engineering to nature, technology, creativity and more, kids are encouraged to touch, try, build, ask questions and discover.

Know Before You GO

📅 Sunday, September 13, 2026
⏰ 11 AM–4 PM
📍 Wean Park | Downtown Youngstown
🎟️ Admission is FREE
🚗 FREE parking at the Covelli Centre
👨‍👩‍👧‍👦 All ages welcome

Meet our 2026 Exhibitors

Get ready to discover organizations from throughout our community bringing their own spin on science, technology, engineering, art and math.

Important OH WOW! Visitor Notice

Silly Science Sunday is happening at Wean Park on September 13!

The OH WOW! Science Center building will be closed September 13–30th, but the fun is moving outside for Silly Science Sunday. Join us at Wean Park for a full day of FREE hands-on STEAM exploration.